11 results
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Tachyarrhythmia ... , Atrial flutter ... tachycardia • Narrow ... , Pre-excited SVT ... Differential #Diagnosis #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... • AVNRT ... WPW) - Narrow ... interval) • AFib ... #Cardiology #Differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... Bradyarrhythmias Tachyarrhythmias ... abberancy - N B Afib ... SVTs - atrial/junctional ... electrocardiogram #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
/AVNRT. ... • SVT. 140-280 ... • Atrial Flutter ... • DDx: SVT + ... Diagnosis #Management #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs SVT (AVNRT, ... OAVRT, AFIutter) ... > AFIutter + variable ... abnormality • Beware AV ... Irregular #causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Flutter (AFL), ... tachycardia (AVRT ... tachycardia (AVNRT ... Fibrillation (V-Fib ... Diagnosis #Causes #cardiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Pericarditis - Tachyarrhythmia ... : • VT/VFib ... • AFib/AFlutter ... 2nd/3rd degree AV ... Syndrome #Syncope #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Control rate with AV ... flutter, ectopic ... flutter or MAT ... Treatment #management #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Premature atrial ... ECG usually shows ... : regular narrow ... Pathophysiology #cardiology ... #SVT
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... vagal maneuvers: SVT-AVNRT ... /Vfib/Afib/WPW) ... #Palpitations #Cardiology